The follow-up to Halo: Spartan Assault will launch on Windows 8 devices and Steam on December 12th, and will cost $5.99.

The game will take place during the events of Halo 2, and will feature 30 missions where you’ll attempt to thwart an invasion attempt on Earth by the Covenant.

The Xbox Wire confirmed some of the game’s features, while also confirming that the previously reported bonuses players would receive in Halo: The Master Chief Collection for playing Spartan Strike wouldn’t be available on the Steam version.

“Crush your enemies using the iconic Warthog jeep, or sweep them from the battlefield using the all-new Kestrel VTOL.